40040212511 has 8 divisors (see below), whose sum is σ = 43121786400. Its totient is φ = 36958861152.

The previous prime is 40040212501. The next prime is 40040212549. The reversal of 40040212511 is 11521204004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40040212511 - 2²⁶ = 39973103647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040212501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644390 + ... + 703788.

It is an arithmetic number, because the mean of its divisors is an integer number (5390223300).

Almost surely, 2^40040212511 is an apocalyptic number.

40040212511 is a deficient number, since it is larger than the sum of its proper divisors (3081573889).

40040212511 is a wasteful number, since it uses less digits than its factorization.

40040212511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111265.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40040212511 its reverse (11521204004), we get a palindrome (51561416515).

The spelling of 40040212511 in words is "forty billion, forty million, two hundred twelve thousand, five hundred eleven".